1812L020PR Littelfuse Inc, 1812L020PR Datasheet - Page 4

• Manufacturer Part Number: 1812L020PR
• Description: PTC RESETTABLE 30V 200MA 1812L
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® 1812Lr

Specifications of 1812L020PR

• Package / Case: 1812 (4532 Metric)
• R Min/max: 0.800 ~ 5.000 Ohm
• Voltage - Max: 30V
• Time To Trip: 0.02s
• Current - Hold (ih) (max): 200mA
• Current - Trip (it): 400mA
• Current - Max: 100A
• Hold Current: 0.2 Amp
• Trip Current: 0.4 Amp
• Current Rating (max): 100 Amps
• Resistance: 5 Ohms
• Maximum Voltage: 30 VoltsDC
• Termination Style: SMD/SMT
• Mounting Style: SMD/SMT
• Current Rating: 100 Amps
• Dimensions: 4.37 mm L x 3.07 mm W
• Operating Temperature Range: - 40 C to + 85 C
• Holding Current: 200mA
• Tripping Current: 400mA
• Initial Resistance Max: 5ohm
• Operating Voltage: 30VDC
• Ptc Fuse Case: 1812
• External Depth: 0.78mm
• Fuse Terminals: SMD Caps
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1812L020PR; F3354TR

Bottom
1812L Series
1812L035/30 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
1812L050/30 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
1812L075/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
1812L075/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
1812L110/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
1812L110/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.05
1812L125/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
1812L150/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
1812L150/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
1812L160/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
1812L200TH 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.008 0.024 0.2
1812L260TH 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
1812L260/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
View
1812L110/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
1812L125/6 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
Dimensions
View
Top
1812L020
1812L050
1812L075
1812L125
1812L150
1812L160
1812L300
1812L010
1812L014
1812L110
Number
Part
MARKING CODE VARIES
WITH AMPERAGE AND VOLTAGE RATING
(See Electrical Characteristics Table)
SHOWN ARE:
- 1.1A/6V RATING (LEFT)
- 1.1A/33V RATING (RIGHT)
D
110
110
A
Min Max Min Max Min Max Min Max Min
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03
Inches
B
A
E
Layout
Pad
mm
1.78mm
(.070”)
POLYFUSE
Inches
3.45 mm
(.135”)
110
-33
B
Surface Mount > 1812L Series
mm
View
Side
®
3.15 mm
Revised: July 12, 2010
(.124”)
Resettable PTCs
Inches
C
42
Max Min Max Min Max Min Max Min Max Min Max
0.05 0.75 1.25 0.01 0.05
0.08 0.75 1.95 0.01 0.05
0.04 0.55
0.04
0.03
0.04
0.03
0.06 0.75 1.55 0.01 0.05
0.06 0.75 1.55 0.01 0.05
0.03
0.04
0.05 0.75 1.25 0.01 0.05
0.08
0.05 0.75 1.25 0.01 0.05
0.03 0.45 0.75 0.01 0.05
0.05 0.75 1.25 0.01 0.05
0.03
0.05 0.75 1.25 0.01 0.05
0.07
0.03
0.05 0.75 1.25 0.01 0.05
0.04
0.05
0.06
C
0.6
0.5 0.75 0.01 0.05
0.5
0.5 0.75 0.01 0.05
0.5 0.71 0.01 0.05
0.5
1.2
0.4 0.71 0.01 0.05
0.8
0.4 0.75 0.01 0.05
0.5
0.8
0.8
mm
1.25 0.01 0.05
1.07 0.01 0.05
1.34 0.01 0.05
1.50 0.01 0.05
0.6 0.01 0.05
1.8
1.0
1
1
2
Please refer to www.littelfuse.com/series/1812L.html for current information.
0.01 0.05
0.01 0.05
0.01 0.05
0.01 0.05
0.01 0.05
Inches
D
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Specifications are subject to change without notice.
mm
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.02 0.25
0.01 0.03 0.25 0.65
0.01 0.02 0.25
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.02 0.25
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.02 0.25
0.01 0.03 0.25 0.65
0.01 0.02 0.25
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
0.01 0.02 0.25
0.01 0.02 0.25
0.01 0.03 0.25 0.65
0.01 0.03 0.25 0.65
Inches
© 2010 Littelfuse, Inc.
E
mm
0.5
0.5
0.5
0.5
0.5
0.5
0.5